-[10z-(20z+8)]=8+(9z+5)

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Solution for -[10z-(20z+8)]=8+(9z+5) equation:


Simplifying
-1[10z + -1(20z + 8)] = 8 + (9z + 5)

Reorder the terms:
-1[10z + -1(8 + 20z)] = 8 + (9z + 5)
-1[10z + (8 * -1 + 20z * -1)] = 8 + (9z + 5)
-1[10z + (-8 + -20z)] = 8 + (9z + 5)

Reorder the terms:
-1[-8 + 10z + -20z] = 8 + (9z + 5)

Combine like terms: 10z + -20z = -10z
-1[-8 + -10z] = 8 + (9z + 5)
[-8 * -1 + -10z * -1] = 8 + (9z + 5)
[8 + 10z] = 8 + (9z + 5)

Reorder the terms:
8 + 10z = 8 + (5 + 9z)

Remove parenthesis around (5 + 9z)
8 + 10z = 8 + 5 + 9z

Combine like terms: 8 + 5 = 13
8 + 10z = 13 + 9z

Solving
8 + 10z = 13 + 9z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '-9z' to each side of the equation.
8 + 10z + -9z = 13 + 9z + -9z

Combine like terms: 10z + -9z = 1z
8 + 1z = 13 + 9z + -9z

Combine like terms: 9z + -9z = 0
8 + 1z = 13 + 0
8 + 1z = 13

Add '-8' to each side of the equation.
8 + -8 + 1z = 13 + -8

Combine like terms: 8 + -8 = 0
0 + 1z = 13 + -8
1z = 13 + -8

Combine like terms: 13 + -8 = 5
1z = 5

Divide each side by '1'.
z = 5

Simplifying
z = 5

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